let ws = require('nodejs-websocket')
console.log('开始建立链接')
ws.createServer(function (conn) {
  conn.on('text', function (str) {
    conn.send(`${str}(机器人)`)
  })
  conn.on('close', function (code, reason) {
    console.log('关闭连接')
  })
  conn.on('error', function (code, reason) {
    console.log('异常关闭')
  })
}).listen(8001)
console.log('链接建立完毕')
